How to use the babel-core.version function in babel-core

var _this = this;

  var webpackRemainingChain = loaderUtils.getRemainingRequest(this).split("!");
  var filename = webpackRemainingChain[webpackRemainingChain.length - 1];

  var globalOptions = this.options.babel || {};
  var loaderOptions = loaderUtils.parseQuery(this.query);
  var userOptions = assign({}, globalOptions, loaderOptions);
  var defaultOptions = {
    metadataSubscribers: [],
    inputSourceMap: inputSourceMap,
    sourceRoot: process.cwd(),
    filename: filename,
    cacheIdentifier: JSON.stringify({
      "babel-loader": pkg.version,
      "babel-core": babel.version,
      babelrc: exists(userOptions.babelrc) ? read(userOptions.babelrc) : resolveRc(path.dirname(filename)),
      env: userOptions.forceEnv || process.env.BABEL_ENV || process.env.NODE_ENV || "development"
    })
  };

  var options = assign({}, defaultOptions, userOptions);

  if (userOptions.sourceMap === undefined) {
    options.sourceMap = this.sourceMap;
  }

  if (options.sourceFileName === undefined) {
    options.sourceFileName = relative(options.sourceRoot, options.filename);
  }

  var cacheDirectory = options.cacheDirectory;

it('works with real babel', () => {
      const realBabel = require('babel-core');
      const nodeTranspilerReal = new NodeTranspiler();

      const fakeBabel = {
        version: realBabel.version,
        transform() { throw new Error('This should not have been called.'); },
      };
      const nodeTranspilerFake =
        new NodeTranspiler(fakeBabel.version, () => fakeBabel);

      expect(nodeTranspilerReal.getConfigDigest())
        .toBe(nodeTranspilerFake.getConfigDigest());
    });
  });

}),
      [{dash: true}],
      familyTags.sort().map(function(tag) {
        return {name: _.capitalize(tag), selector: 'js-family-' + tag};
      })),
    implementations: implementations
  };



  var template = Handlebars.compile(Fs.readFileSync(__dirname + '/report.handlebars').toString());
  return template({
    browsers: browsers,
    tests: tests,
    date: new Date().toLocaleDateString(),
    babelVersion: Babel.version,
    babelRuntimeVersion: BabelRuntimePackage.version,
    traceurVersion: TraceurPackage.version,

    reportData: JSON.stringify(reportData)
  });
}

if (option.description) desc.push(option.description);

  commander.option(arg, desc.join(" "));
});

commander.option("-x, --extensions [extensions]", "List of extensions to compile when a directory has been input [.es6,.js,.es,.jsx]");
commander.option("-w, --watch", "Recompile files on changes");
commander.option("--skip-initial-build", "Do not compile files before watching");
commander.option("-o, --out-file [out]", "Compile all input files into a single file");
commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");
commander.option("-D, --copy-files", "When compiling a directory copy over non-compilable files");
commander.option("-q, --quiet", "Don't log anything");


var pkg = require("../../package.json");
commander.version(pkg.version + " (babel-core " + require("babel-core").version + ")");
commander.usage("[options] ");
commander.parse(process.argv);

if (commander.extensions) {
  commander.extensions = util.arrayify(commander.extensions);
}

var errors = [];

var filenames = commander.args.reduce(function (globbed, input) {
  var files = glob.sync(input);
  if (!files.length) files = [input];
  return globbed.concat(files);
}, []);

filenames = uniq(filenames);

if (loaderOptions.babelrc !== false) {
    babelrcPath = typeof loaderOptions.babelrc === "string" && exists(fileSystem, loaderOptions.babelrc) ? loaderOptions.babelrc : resolveRc(fileSystem, path.dirname(filename));
  }

  if (babelrcPath) {
    this.addDependency(babelrcPath);
  }

  var defaultOptions = {
    metadataSubscribers: [],
    inputSourceMap: inputSourceMap,
    sourceRoot: process.cwd(),
    filename: filename,
    cacheIdentifier: JSON.stringify({
      "babel-loader": pkg.version,
      "babel-core": babel.version,
      babelrc: babelrcPath ? read(fileSystem, babelrcPath) : null,
      env: loaderOptions.forceEnv || process.env.BABEL_ENV || process.env.NODE_ENV || "development"
    })
  };

  var options = Object.assign({}, defaultOptions, loaderOptions);

  if (loaderOptions.sourceMap === undefined) {
    options.sourceMap = this.sourceMap;
  }

  if (options.sourceFileName === undefined) {
    options.sourceFileName = relative(options.sourceRoot, options.filename);
  }

  var cacheDirectory = options.cacheDirectory;

if (loaderOptions.babelrc !== false) {
    babelrcPath = typeof loaderOptions.babelrc === "string" && exists(fileSystem, loaderOptions.babelrc) ? loaderOptions.babelrc : resolveRc(fileSystem, path.dirname(filename));
  }

  if (babelrcPath) {
    this.addDependency(babelrcPath);
  }

  var defaultOptions = {
    metadataSubscribers: [],
    inputSourceMap: inputSourceMap,
    sourceRoot: process.cwd(),
    filename: filename,
    cacheIdentifier: JSON.stringify({
      "babel-loader": pkg.version,
      "babel-core": babel.version,
      babelrc: babelrcPath ? read(fileSystem, babelrcPath) : null,
      env: loaderOptions.forceEnv || process.env.BABEL_ENV || process.env.NODE_ENV || "development"
    })
  };

  var options = Object.assign({}, defaultOptions, loaderOptions);

  if (loaderOptions.sourceMap === undefined) {
    options.sourceMap = this.sourceMap;
  }

  if (options.sourceFileName === undefined) {
    options.sourceFileName = relative(options.sourceRoot, options.filename);
  }

  var cacheDirectory = options.cacheDirectory;

if (option.description) desc.push(option.description);

  commander.option(arg, desc.join(" "));
});

commander.option("-x, --extensions [extensions]", "List of extensions to compile when a directory has been input [.es6,.js,.es,.jsx]");
commander.option("-w, --watch", "Recompile files on changes");
commander.option("--skip-initial-build", "Do not compile files before watching");
commander.option("-o, --out-file [out]", "Compile all input files into a single file");
commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");
commander.option("-D, --copy-files", "When compiling a directory copy over non-compilable files");
commander.option("-q, --quiet", "Don't log anything");


var pkg = require("../../package.json");
commander.version(pkg.version + " (babel-core " + require("babel-core").version + ")");
commander.usage("[options] ");
commander.parse(process.argv);

if (commander.extensions) {
  commander.extensions = util.arrayify(commander.extensions);
}

var errors = [];

var filenames = commander.args.reduce(function (globbed, input) {
  var files = glob.sync(input);
  if (!files.length) files = [input];
  return globbed.concat(files);
}, []);

filenames = uniq(filenames);

var desc = [];
  if (option.deprecated) desc.push("[DEPRECATED] " + option.deprecated);
  if (option.description) desc.push(option.description);

  commander.option(arg, desc.join(" "));
});

commander.option("-x, --extensions [extensions]", "List of extensions to compile when a directory has been input [.es6,.js,.es,.jsx]");
commander.option("-w, --watch", "Recompile files on changes");
commander.option("-o, --out-file [out]", "Compile all input files into a single file");
commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");
commander.option("-D, --copy-files", "When compiling a directory copy over non-compilable files");
commander.option("-q, --quiet", "Don't log anything");

var pkg = require("../../package.json");
commander.version(pkg.version + " (babel-core " + require("babel-core").version + ")");
commander.usage("[options] ");
commander.parse(process.argv);

//

if (commander.extensions) {
  commander.extensions = util.arrayify(commander.extensions);
}

//

var errors = [];

var filenames = commander.args.reduce(function (globbed, input) {
  var files = glob.sync(input);
  if (!files.length) files = [input];

var desc = [];
  if (option.deprecated) desc.push("[DEPRECATED] " + option.deprecated);
  if (option.description) desc.push(option.description);

  commander.option(arg, desc.join(" "));
});

commander.option("-x, --extensions [extensions]", "List of extensions to compile when a directory has been input [.es6,.js,.es,.jsx]");
commander.option("-w, --watch", "Recompile files on changes");
commander.option("-o, --out-file [out]", "Compile all input files into a single file");
commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");
commander.option("-D, --copy-files", "When compiling a directory copy over non-compilable files");
commander.option("-q, --quiet", "Don't log anything");

var pkg = require("../../package.json");
commander.version(pkg.version + " (babel-core " + require("babel-core").version + ")");
commander.usage("[options] ");
commander.parse(process.argv);

//

if (commander.extensions) {
  commander.extensions = util.arrayify(commander.extensions);
}

//

var errors = [];

var filenames = commander.args.reduce(function (globbed, input) {
  var files = glob.sync(input);
  if (!files.length) files = [input];